O18 WFST, Lenghu

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Graphs

Yearly Breakdown of MPEC Types

Yearly Breakdown of Discovery Object Types

Yearly Breakdown of Orbit Update Object Types

Breakdown by Observers

Breakdown by Measurers

Breakdown by Facilities

Breakdown by Objects

Annual Breakdown

Weekly Breakdown

Hourly Breakdown

Tables

Yearly Breakdown of MPEC Types

Year Total MPECs Editorial Discovery P/R/FU DOU List Update Retraction Other Follow-Up First Follow-Up
2024 22 0 7 3 11 0 0 0 1 0
2023 31 0 4 8 15 0 0 0 3 1
2022 0 0 0 0 0 0 0 0 0 0
2021 0 0 0 0 0 0 0 0 0 0
2020 0 0 0 0 0 0 0 0 0 0
2019 0 0 0 0 0 0 0 0 0 0
2018 0 0 0 0 0 0 0 0 0 0
2017 0 0 0 0 0 0 0 0 0 0
2016 0 0 0 0 0 0 0 0 0 0
2015 0 0 0 0 0 0 0 0 0 0
2014 0 0 0 0 0 0 0 0 0 0
2013 0 0 0 0 0 0 0 0 0 0
2012 0 0 0 0 0 0 0 0 0 0
2011 0 0 0 0 0 0 0 0 0 0
2010 0 0 0 0 0 0 0 0 0 0
2009 0 0 0 0 0 0 0 0 0 0
2008 0 0 0 0 0 0 0 0 0 0
2007 0 0 0 0 0 0 0 0 0 0
2006 0 0 0 0 0 0 0 0 0 0
2005 0 0 0 0 0 0 0 0 0 0
2004 0 0 0 0 0 0 0 0 0 0
2003 0 0 0 0 0 0 0 0 0 0
2002 0 0 0 0 0 0 0 0 0 0
2001 0 0 0 0 0 0 0 0 0 0
2000 0 0 0 0 0 0 0 0 0 0
1999 0 0 0 0 0 0 0 0 0 0
1998 0 0 0 0 0 0 0 0 0 0
1997 0 0 0 0 0 0 0 0 0 0
1996 0 0 0 0 0 0 0 0 0 0
1995 0 0 0 0 0 0 0 0 0 0
1994 0 0 0 0 0 0 0 0 0 0
1993 0 0 0 0 0 0 0 0 0 0

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List of Individual MPECs

Index Name Date/Time Discoverer First-responding Confirmer Object Type Search Archival Image
1 MPEC 2024-D56 2024 AW15 2024-02-18 23:14:00 ✓ Unusual CATCH
2 MPEC 2024-C49 2024 AA11 2024-02-05 14:10:00 ✓ NEA (18>H>22) CATCH
3 MPEC 2024-B91 DAILY ORBIT UPDATE (2024 January 22) 2024-01-22 12:38:00
4 MPEC 2024-B77 2024 AL6 2024-01-21 02:26:00 ✓ NEA (H>22) CATCH
5 MPEC 2024-B43 DAILY ORBIT UPDATE (2024 January 19) 2024-01-19 12:26:00
6 MPEC 2024-B28 DAILY ORBIT UPDATE (2024 January 18) 2024-01-18 12:25:00
7 MPEC 2024-B26 2024 AY4 2024-01-18 03:06:00 ✓ NEA (18>H>22) CATCH
8 MPEC 2024-B20 DAILY ORBIT UPDATE (2024 January 17) 2024-01-17 12:27:00
9 MPEC 2024-B17 2024 AW4 2024-01-17 07:46:00 ✓ NEA (18>H>22) CATCH
10 MPEC 2024-B13 2023 XH27 2024-01-16 20:04:00 NEA (H>22) CATCH
11 MPEC 2024-B05 2024 AR4 2024-01-16 13:35:00 ✓ NEA (18>H>22) CATCH
12 MPEC 2024-B03 DAILY ORBIT UPDATE (2024 January 16) 2024-01-16 12:25:00
13 MPEC 2024-A166 2013 AK20 2024-01-15 14:11:00 NEA (H>22) CATCH
14 MPEC 2024-A165 DAILY ORBIT UPDATE (2024 January 15) 2024-01-15 12:24:00
15 MPEC 2024-A158 DAILY ORBIT UPDATE (2024 January 14) 2024-01-14 12:21:00
16 MPEC 2024-A151 DAILY ORBIT UPDATE (2024 January 13) 2024-01-13 12:19:00
17 MPEC 2024-A150 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2024-01-13 04:14:00 Comet CATCH
18 MPEC 2024-A136 2023 WF37 2024-01-12 01:13:00 ✓ NEA (H>22) CATCH
19 MPEC 2024-A124 DAILY ORBIT UPDATE (2024 January 11) 2024-01-11 12:12:00
20 MPEC 2024-A110 2016 FM151 2024-01-10 16:29:00 NEA (H>22) CATCH
21 MPEC 2024-A108 DAILY ORBIT UPDATE (2024 January 10) 2024-01-10 12:09:00
22 MPEC 2024-A88 DAILY ORBIT UPDATE (2024 January 9) 2024-01-09 12:09:00
23 MPEC 2023-Y97 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-29 03:14:00 Comet CATCH
24 MPEC 2023-Y82 DAILY ORBIT UPDATE (2023 December 25) 2023-12-25 12:06:00
25 MPEC 2023-Y78 DAILY ORBIT UPDATE (2023 December 23) 2023-12-23 12:05:00
26 MPEC 2023-X98 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-12-06 08:53:00 Comet CATCH
27 MPEC 2023-X77 2023 WF4 2023-12-05 16:36:00 ✓ NEA (H>22) CATCH
28 MPEC 2023-X40 2023 WZ3 2023-12-04 21:54:00 ✓ NEA (H>22) CATCH
29 MPEC 2023-W121 2023 TH139 2023-11-25 17:53:00 NEA (H>22) CATCH
30 MPEC 2023-W102 2023 WK2 2023-11-23 13:57:00 ✓ NEA (18>H>22) CATCH
31 MPEC 2023-W83 2023 WB2 2023-11-22 11:55:00 ✓ NEA (H>22) CATCH
32 MPEC 2023-W79 2023 WX1 2023-11-22 11:48:00 ✓ PHAg18 CATCH
33 MPEC 2023-W66 DAILY ORBIT UPDATE (2023 November 21) 2023-11-21 12:05:00
34 MPEC 2023-W65 2023 WT1 2023-11-21 07:26:00 NEA (H>22) CATCH
35 MPEC 2023-W48 2008 WY13 2023-11-20 13:13:00 NEA (18>H>22) CATCH
36 MPEC 2023-W47 DAILY ORBIT UPDATE (2023 November 20) 2023-11-20 12:03:00
37 MPEC 2023-W29 DAILY ORBIT UPDATE (2023 November 19) 2023-11-19 12:02:00
38 MPEC 2023-W26 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-11-19 01:05:00 Comet CATCH
39 MPEC 2023-W21 DAILY ORBIT UPDATE (2023 November 18) 2023-11-18 15:14:00
40 MPEC 2023-W14 DAILY ORBIT UPDATE (2023 November 17) 2023-11-17 12:03:00
41 MPEC 2023-W08 2004 XO 2023-11-16 12:44:00 PHAg18 CATCH
42 MPEC 2023-W07 DAILY ORBIT UPDATE (2023 November 16) 2023-11-16 12:01:00
43 MPEC 2023-V242 DAILY ORBIT UPDATE (2023 November 14) 2023-11-14 12:38:00
44 MPEC 2023-V230 DAILY ORBIT UPDATE (2023 November 13) 2023-11-13 12:34:00
45 MPEC 2023-V225 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-11-13 04:13:00 Comet CATCH
46 MPEC 2023-V215 2023 VM7 2023-11-12 15:06:00 NEA (H>22) CATCH
47 MPEC 2023-V211 DAILY ORBIT UPDATE (2023 November 12) 2023-11-12 12:32:00
48 MPEC 2023-U276 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-10-29 08:53:00 Comet CATCH
49 MPEC 2023-U164 DAILY ORBIT UPDATE (2023 October 21) 2023-10-21 12:05:00
50 MPEC 2023-U159 OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS 2023-10-21 05:24:00 Comet CATCH
51 MPEC 2023-U42 DAILY ORBIT UPDATE (2023 October 17) 2023-10-17 12:27:00
52 MPEC 2023-T241 DAILY ORBIT UPDATE (2023 October 14) 2023-10-14 12:16:00
53 MPEC 2023-R58 DAILY ORBIT UPDATE (2023 September 8) 2023-09-08 12:07:00

List of Observers

Observers Count
L. L. Fan, X. Kong, J. Q. Lu, Z. Lou, J. A. Jiang 3
Z. B. Su, S. F. Zhu, X. C. Li, S. X. Li, J. A. Jiang 3
Z. Q. Li, S. X. Li, R. D. Liang, X. Z. Li 6
Q. Y. Hai, X. C. Li, R. D. Liang, X. Z. Li, Z. Q. Li, S. X. Li 9
Z. Q. Li, X. Z. Li, R. D. Liang, Z. Y. Liu, S. X. Li 6
Z. Q. Li, X. Z. Li, R. D. Liang, Z. Y. Liu, S. X. Li, X. C. Li 24
Z. Y. Liu, S. X. Li, Z. Q. Li, Q. Y. Hai, K. Yan, J. Z. Zhu, N. Jiang, Z. Y. Cai 15
Z. Y. Liu, S. X. Li, Z. Q. Li 3
Q. Y. Hai, K. Yan, J. Z. Zhu, N. Jiang, Z. Y. Cai, Z. Q. Li, Z. Y. Liu 12
Q. Y. Hai, K. Yan, J. Z. Zhu, N. Jiang, Z. Y. Cai 3
K. Yan, Z. Q. Li, J. Z. Zhu, N. Jiang, Z. Y. Liu 3
K. Yan, Z. Q. Li, J. Z. Zhu, N. Jiang, Z. Y. Liu, S. X. Li 15
Z. Q. Li, K. Yan, Q. Y. Hai, X. L. Zhang, X. C. Tan 3
Z. Q. Li, S. X. Li, Q. Y. Hai 30
Z. Y. Liu, S. X. Li, Z. Q. Li, K. Yan, J. Z. Zhu, N. Jiang 9
Z. Lou, Z. Q. Li, S. X. Li, Q. Y. Hai 9
Z. Q. Li, S. X. Li, Q. Y. Hai, Z. Lou 18

List of Measurers

Measurers Count
B. X. Fu, S. H. Wang, J. Q. Lu, M. X. Cai, Z. L. Xu 3
B. Li, H. B. Zhao, Z. J. Xu, G. T. Zhaori 168
Facilities Count
2.5-m f/2.48 reflector + CCD 171